# -*- coding: utf-8 -*-
"""
------------------------------------------------------------------------------
    File Name:  math_demo
    Author   :  wanwei1029
    Date     :  2018-10-19
    Desc     :
------------------------------------------------------------------------------
"""


def base_cal():
    a = 417856
    b = 39512
    print(a/(a+b))
    c = 2000
    print(c % 1000)
    if not c % 1000:
        print("yes")


def demo():
    """
    """


if __name__ == '__main__':
    test_method = "base_cal"
    if test_method == "demo":
        demo()
    elif test_method == "base_cal":
        base_cal()
